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Journal : Creative Research in Engineering (CERIE)

Studi Eksperimental Pergerakan Temperatur Radiator Terhadap Putaran Mesin (RPM) dengan Kecepatan Kipas Constant Andi Prasetyo; Arif Surono
Creative Research in Engineering Vol 1, No 1 (2021): Creative Research in Engineering (CERIE)
Publisher : Lembaga Publikasi Ilmiah dan Penerbitan (LPIP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (64.752 KB) | DOI: 10.30595/cerie.v1i1.9478

Abstract

The research aims to evaluate the engine rotation (rpm) against changes in radiator temperature. Radiator used is compact heat exchanger tube and fins type. The study was conducted using an experimental method on a BMW E.36 car with a stop state. The research scheme we use consists of radiator water reservoir tanks, water pumps, and radiators. Measuring instruments used are anemometer, thermocople, stopwatch and reader. Data retrieval is carried out at the radiator entrance temperature, radiator exit temperature and the temperature on the radiator wall that hits the fan. In this study we did variations of engine rotation (rpm) of 1000, 1500, 2000, 2500 and 3000 rpm. The results showed that in the use of fans at a speed of 6.5 m / s able to throw heat into the environment well, this proved to be obtained the highest temperature value at the 10th minute of 57.5 oC at a fan speed of 3.5 m / s. Meanwhile, in the 10th minute the lowest temperature was obtained from a speed of 6.5 m/s of 40 oC.
Peningkatan Perpindahan Panas pada Pipa Radiator menggunakan SiO2/Water Nanofluida Eqwar Saputra; Arif Surono
Creative Research in Engineering (CERIE) Vol 4, No 2 (2024): Creative Research in Engineering (CERIE)
Publisher : Lembaga Publikasi Ilmiah dan Penerbitan (LPIP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/cerie.v4i2.23406

Abstract

Penelitian ini bertujuan untuk mengevaluasi karakteristik perpindahan panas pada radiator dengan penggunaan nanofluida silikon dioksida (SiO2). Penelitian ini dilakukan secara eksperimental, skema penelitian terdiri dari sebuah tangki reservoir penampung air/nanofluida, heater sebagai pemanas air, pompa untuk mensirkulasikan air/nanofluida menuju radiator dan sebuah kipas pendingin untuk membuang panas. Hasil penelitian menunjukkan bahwa peningkatan rata-rata koefisien perpindahan panas sebesar 15% pada temperatur 60 oC. Peningkatan perpindahan panas maksimal terjadi pada konsentrasi 0.2 % sebesar 21 % pada bilangan reynolds sebesar 3200 pada temperatur 60 oC.